Some pretty impressive machine-learning generated poetry courtesy of GPT-2

GPT-2 is Open AI's language-generation model (last seen around these parts as a means of detecting machine-generated text); it's powerful and cool, and Gwern Branwen fed it the Project Gutenberg poetry corpus to see what kind of poetry it would write. Pretty good poetry, as it turns out. Scott Alexander (previously) does a good job of highlighting its greatest hits (and misses). GPT-2 poetry manages some impressive accomplishments, like solid iambic pentameter ("Thou know'st how Menoetiades the swift/Was dragged, of Hector and the fierce compeers/And Phrygian warriors. So, we will dispatch/Your bodies, then, yourselves to burn the ships/In sacrifice; with torches and with bells") though it struggles with extended/complex rhyming ("If sick of sense; Wholubil, or snug.